D'addario XSAPB1356 Medium coated acoustic guitar strings

Born from the biggest breakthrough in string innovation, XS Phosphor Bronze strings have the longest lifespan of any D'Addario acoustic guitar string. The XS coating gives the warm, well-balanced phosphor bronze strings maximum lifespan, with an unusually smooth feel. Made with a NY steel core, phosphor bronze wrap wire, and Fusion Twist Technology, XS Coated acoustic guitar strings have unparalleled breaking strength and tuning stability, in addition to their significantly longer lifespan.